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Operation VTK - TR -BA- 171e - 1 - User Manua l MDS 3080 -V 79 Info rmatio n ! If the p erform ance of the valve is unsatisf actor y . In the display, th e messag e “Ma x Needle Li ft” is shown together wit h a percentag…
Operation
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VTK-TR-BA-171e-1 - User Manual MDS 3080-V
Preparation for the Adjust
Turn the adjust screw completely in the direction
“open” (see arrow on the valve).
Screw the nozzle fixation nut absolutely tight
(torque for screwing it tight at least 150 cN.m).
Turn on the heater and bring the heater to the
desired temperature. Wait a few moments for the
system to settle in this temperature.
Step 1 (Starting the adjust)
Start the adjust by pressing the [adj] -key on the
keypad of the control unit.
The message “Release NU ATT Fluid!!!!!!” appears in
the display (NU = Nozzle Unit).
Confirm it by pressing the [enter]-key.
The display shows the message “500 Shots –
Please Wait”. These shots help to prepare the valve
for the adjust.
Confirm it by pressing the [enter]-key.
The display shows “Calibration Please Wait”. This
can take a few moments. Please wait.
If the quality of the valve is okay, you will reach the
next step without pressing [enter].
Operation
VTK-TR-BA-171e-1 - User Manual MDS 3080-V
79
Information!
If the performance of the valve is unsatisfactory. In
the display, the message “Max Needle Lift” is
shown together with a percentage value in the
display. Once the message changes to “Press
Enter”, press the [enter]-key. In this case, you
should send the valve to VERMES Microdispensing
GmbH for maintenance.
Step 2 (turn in the adjust screw)
The display shows the starting value of the adjust.
Now turn the adjust screw with the help of tool
MDT 327 slowly in the direction “close”, until the
green adjust LED is ON. The adjust is possible
between 0 µm and 4 µm. (In fixed adjust mode, the
adjust is possible between 0 µm and 50 µm.)
Step 3 (Find adjust value and confirm it)
Press the [enter]-key, if the green adjust LED is ON.
Once you have completed the adjust successfully,
the display returns to the message “3090+ xx Hz”.
You are again in the main menu of the MDC. The
system is now ready to be filled with the
dispensing medium.
Information!
If you screw in the adjust screw too far (5 µm or
more shown), then the red adjust LED will be ON.
Screw back a little bit. An adjust can only be
confirmed as successful with [enter], while the
green adjust LED is ON.
Operation
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VTK-TR-BA-171e-1 - User Manual MDS 3080-V
IMPORTANT NOTE
Confirming adjust while green LED is ON
Confirming the successful adjust by pressing [enter] is only possible, if the green LED is on.
INFORMATION
Further adjust information
• You can always leave the adjust by pressing the [esc]-key.
• After the successful adjust, the green LED will go off after approx. 3 s.